ASUS P4P800Sx Intel848 S478 FSB800 AGP8X 5PCI SATA w/Audio/Lan ATX $79.99 ASUS P4P800-mx (Intel 848Chip) $69.99 ASUS P4S800-MX $69.99 ASUS P4P800SE $99.99 ASUS P4VP-MX (Intel 845G) Series $59.99 ASUS P4C800E Deluxe $179.99 ASUS P5AD2-E Premium(925xe) $259.99 ASUS P5GD2 Deluxe $179.99 ASUS P5GD2(Intel 915P)DDRII. Socket 775 $159.99 ASUS P5GD1(Intel 915P).Socket775 $139.99 ASUS P5P800(Intel 865PE) Socket 775 $115.99 AMPTRON XP4-925ALU $59.00 PC Chips P4-M925 $51.99 AMPTRON XP4-922LU AMPTRON P4-M266A-- Hyper-Threading Technology support ASROCK-P4S61 Supports Intel Hyper- Threading Technology $59.99 ASUS-P4P800( Intel 865PE Chipset) $129.00 ASUS-P4P800 Deluxe(Intel 865PE Chipset) $149.00 ECS PT800CE-A $54.99 ECS P4848P-A $59.99 Intel® P4 Desktop Board D845GVSRL $69.99 Intel® P4 Desktop Board D865GLC $139.00 Intel SERVER SE7501CW2 $319.99